M5 M6 M8 Dacromet Finish Hex Head Bolts , Half Thread Metric Hex Head Screws DIN 931

M5 M6 M8 Dacromet Finish Hex Head Bolts , Half Thread Metric Hex Head Screws DIN 931

1. Description:

Hex Head Bolts are designed for assembly into a hole. Hex Head Bolts according to SAE specifications with a designed washer face under the head and a chamfered point. Grade 9.8 has a greater tensile strength than Grade 8.8.Standard provides specifications for the thread M3 ~ M64, A and B grade hex head bolts .A level for D <= 24 and L <= 10D or L <= 150mm (according to a small value) bolts; for Class B D> 24, or L> 10D or L> 150 (by a smaller value) of the bolt

GB external hexagonal bolt head on the side of the common size and with the use of GB wrench Thread diameter edge-to-edge head size size S socket wrench combination wrenches Double open-end wrench Double wrench.

Hex bolts are the most frequently used types A bolt where it holds the main function is to meet with the nut thread. With this threaded connection method, so that the two parts into one.

C grade hex bolts used mainly in rough surface, the steel structure of less precision machinery, equipment. A and B grade hex bolts are mainly used in the smooth surface of the high precision machinery and equipment.

Most stainless steel hex screws with hexagonal head are whole tooth the whole tooth Bolt Standard: DIN933, GB5783, ISO4017, ANSIB18.2.1, JISB1180; non-standard whole tooth bolts DIN931, GB5782, ISO4014, ANSIB18.2.1, JISB1180.

2. Specification Requirements:

• Dimensions: M3-M160
• Threads: half thread, partical thread
• Material &Mechanical Properties: ISO 898-1; Class 8.8
• Head Marking: customer's band and 8.8, 10.9, 12.9
• Finish: Light Protective Oil plain, zinc, black oxide, ruspert, dacromet, nickel
• Material: carbon steel C1018, C1022, C10B21, stainless steel-ss304, ss316,ss410

3. Applications:

Designed for using in high-stress and high-strength applications. General Fastening applications where need high strength and superior corrosion resistance

4. Drawing Technical Data:

5. More Pictures:

DIN931 STAINLESS STEEL HEX HEAD BOLT, HEX CAP SCREW

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